Mount a painted rectangular wood box on the wall on either side of the bed and you'll have a place to stash all your reading material, plus a reading lamp.
在床的任何一边装上一个漆过的木盒子，你就有地方放阅读材料，还可以加个台灯。
Rectangular wave of arbitrary shape shall be output, change rate of AC plus-minus shall be regulated arbitrarily, and the speed of exchanges over zero shall be very quick.
要求此电源能输出任意形状的矩形波，交流正负极性比率可任意调节，交流过零速度极快。
Detail specification for polystyrene film dielectric capacitors, extended foil - Rectangular non-metallic case, unidirectional terminations - Full plus additional assessment level.
聚苯乙烯薄膜介质扩展箔电容器详细规范。单向端接矩形非金属壳。全面附加评定级。
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